Messages in this thread | | | Subject | Re: x86-64 sporadic hang in 2.6.23rc7 and 2.6.22 | From | Andi Kleen <> | Date | 30 Sep 2007 23:44:04 +0200 |
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Helge Hafting <helge.hafting@aitel.hist.no> writes: > > shrink_dcache_memory
That usually means random memory corruption from somewhere -- dcache tends to use a lot of memory and when it is corrupted anywhere these functions tend to crash while walking the lists.
Unfortunately memory corruption is hard to track down because the messenger is usually not the one to blame.
Perhaps enable slab debugging and see if it turns something up. Could be also broken hardware. Does an older kernel run stable? If yes and if it can be reproduced bisecting would be good.
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